Loose-leaf binder.



W. T. BLAYLOGK.

LOOSE LEAF BINDER.

APPLICATION FILED APR. 30, 1913.

Patented June 30, 1914.

[NVE/VTOR WITNESSES A tlorney and 13 respectively. The said end piece 0WILLIAM 'r. BLAYBOCKOF wAYNnsvILLn, NORTH CAROLINA.

LOOSE-LEAF BINDER.

Specification of Letters Patent.

Patented June 30, 13914.

Application filed April 30, 1913. Serial No. 764,708.

1/ b all whom it may concern;

Be it known that I, WILLIAM T. BLAY- LOOK, a citizen of the UnitedStates, residing at \Vaynesville, in the county of Haywood and State ofNorth Carolina, have invented certain new and useful Improvements inLoose-Leaf Binders; and I do hereby declare the following to be a full,clear, and exact description of the invention, such as will enableothers skilled in the art to which itappci'tains to make and use thesame.

This invention relates to loose leaf binders and has for its object toprovide a device of this nature which will be simple in construction,eliicient in action and more. con venient in use than those heretoforeproposed.

With. these and other objects in view the invention consists in. thenovel details of construction and combinations of parts more fullyhereinafter disclosed and particularly pointed out in the claims.

Referring to the accompanying drawings forming a part of thisspecification in which like numerals designate like parts in all theviews Figure 1 is a diagrammatic sectional view of a book provided withmy invention; Fig. 2 is a perspective view of my binder detached; Fig. 3is an end elevation of the parts shown in Fig. 2; and Fig. 4 is a crosssectional view of the parts shown in Fig. 3.

1 indicates a top bar preferably hollowed out and curved on the outsideas shown, 2 a similar bottom bar, 3 and 4: end pieces rigid with saidbottom bar, and 5 and 6 similar end pieces rigid with said top bar. Theend pieces 3 and 5, and 4t and 6 are adapted to telescope or slide pasteach other as illustrated, and the said pieces 5 and 6 are preferablyprovided with the perforations 7 and 8 respectively. The end pieces 3and 4 are provided with the spring members 10 and 11 respectively, whichin turn carry the pins 12 is provided with a slot 1 1 into which worksthe pin 12, and the end piece 4 is provided with a slot 15 into whichworks the pin 13. The bottom bar 2 is further provided with spaced leafholding pins or members 16, while the top bar 1 is provided with similarspaced leaf holding pins or members 17, said pins 16 and 17 being instaggered relation to each other as shown, and being of such a lengththat the one set 16 will still overlap the other set 17 when the members1 and 2 are separated to the maximum extent permitted by the holes 7 and8.

20 represents a covering of leather or other material secured to themembers 1 and 2, and to which may be secured the book covers 21 and 22if desired. The rear portion 24 of the member 20 may be left full asshown, if desired, in order to facilitate the wide and ready separationof the members 1 and 2.

The operation of my loose leaf binder is as follows :The leaves 25 areperforated with as many holes as there are members 16 and 17 and saidholes are spaced apartthe same as on said members. The members 1 and 2being su'liiciently separated the one from the other the leaves 25 arereadily strung on the said members 16, whereupon the members 17 are nextbrought down and threaded into. the remaining holes, and the members 1and 2 caused to firmly bind on the top and bottom leaf as illustrated.When in this position the pins 12 and 13 are caused to engageappropriate holes 7 and 8 respectively and their corresponding springs10 and 11 securely hold the said members 1 and 2 in place.

When it is desired to open the binder to add or take out a leaf, thesprings 10 and 11 are pulled back to disengage the pins 12 and 13 fromtheir holes, and said springs are swung on their pivots 26, so that thesaid pins will occupy the slots 14 and 15, as inclicated in dotted linesin Fig. 8. When inthis position the end members 5 and G can be readilyslid past the end members 3 and 4 without the annoyance of the pins 12and 13 catching in their holes, and leaves may be added or subtractedwith great facility. Further the pin members 16 being sufiiciently longto accommodate all the leaves the binder is designed to receive, theyhold the said leaves in position at all times for an easy manipulation.

When the leaves are securely in place, as shown in Fig. 1, the curvedexteriors of the members 1 and 2 greatly facilitate the folding back ofsaid leaves, which further enables one to open wide the book withouthaving to strain any of its parts. In addition, these curved surfacesafiord an easy rest for a heavy book on a desk and greatly facilitatesits convenient handling. For large books the spring 10 is made quitestiff, and in some instances I provide a key lock to preventunauthorized tampering.

It is obvious that those skilled in the art may vary the details ofconstruction as well as the arrangement of parts without departing fromthe spirit of my invention and therefore I do not wish to be limited tothe above disclosure except as may be required by the claims.

That I claim is 1. In a loose leaf'binder the combination of top andbottom members provided with coacting adjustable end members, curved incross section and fitting the one into the other; detachable engagingmeans for securing said end members in their adjusted positions, saidmeans provided with a pivot to enable the same to be swung to one sideand thereby avoid interfering with the adjustment of said end members;and a plurality of staggered leaf holding members associated with saidtop and bottom members substantially as described.

2. In a loose leaf binder the combination of top and bottom membershaving curved outer surfaces and provided with coacting and adjustableend members curved in cross section and slidingly fitting each other;detachable spring engaging means for securing said end'members in theiradjusted positions provided with a pivot to permit said means to swingto one side and avoid interference with the adjustment of said endmembers; and leaf holding members in staggered relation to each otherrigid with said top and bottom members, substantially as described.

3. In a loose leaf binder the combination of top and bottom members eachcomprising a straight body portion and end portions eX- tending at rightangles to said body portion said body portions having outwardly curvedsurfaces to facilitate the opening and the folding back of the boundleaves and the end portions slidingly fittingeach other and providedwith registering holes; a spring con trolled pin for entering said holesand firmly holding said side and end portions in their adjustedpositions; a pivot on which said spring and pin is mounted whereby saidpin may be removed from said holes and swung to one side and therebyprevented frominterfering with the adjustment of said end members; andstaggered leaf holding mem bers carried by said top and bottom members,substantially as described. a

In testimony whereof I affix my signature, in presence of two witnesses.

l/VILLIAM T. BLAYLOCK.

WVitnesses -H ENRY WYOHE, J. F. WVEG.

Copies of this patent may be obtained for five cents each, by addressingthe Commissionerof Patents, Washington, I). 0.

